package vendor

import (
	"with_you/internal/config"
	"with_you/internal/pkg/jpush"
)

// defaultRenderer 默认通用文本渲染器
type defaultRenderer struct{}

func newDefaultRenderer() *defaultRenderer {
	return &defaultRenderer{}
}

// mergeExtras 合并基础 extras 与额外 extras，返回新 map
func mergeExtras(messageType string, extra map[string]any) map[string]any {
	out := make(map[string]any, len(extra)+1)
	if messageType != "" {
		out["notification_type"] = messageType
	}
	for k, v := range extra {
		out[k] = v
	}
	return out
}

// RenderAndroid 渲染 Android 通用通知
// 所有 Android 厂商共享：alert/title/channel_id/extras/large_icon/priority
func (r *defaultRenderer) RenderAndroid(params MessageParams, cfg config.ChannelConfig) *jpush.AndroidNotif {
	channelID := cfg.Chat
	if params.Scene == SceneSystem {
		channelID = cfg.System
	}
	return &jpush.AndroidNotif{
		Alert:     params.Body,
		Title:     params.Title,
		ChannelID: channelID,
		LargeIcon: params.LargeIcon,
		Extras:    mergeExtras(params.MessageType, params.Extra),
		Priority:  1,
	}
}

// RenderIOS 渲染 iOS 通用通知
// iOS 走 APNs，通过 thread-id 实现按场景的通知分组
func (r *defaultRenderer) RenderIOS(params MessageParams, cfg config.ChannelConfig) *jpush.IOSNotif {
	threadID := cfg.IOS.ChatThreadID
	if params.Scene == SceneSystem {
		threadID = cfg.IOS.SystemThreadID
	}
	return &jpush.IOSNotif{
		Alert: map[string]any{
			"title": params.Title,
			"body":  params.Body,
		},
		Sound:    "default",
		Badge:    "+1",
		ThreadID: threadID,
		Extras:   mergeExtras(params.MessageType, params.Extra),
	}
}